E46Fanatics - View Single Post - Idle Issues on start-up and have codes. Please Help!!!
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Old 08-31-2012, 12:37 AM   #2
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Join Date: Aug 2012
Location: San Francisco Bay Area
Posts: 35
My Ride: E39
I would first check for vacuum leaks based on those faults. Most common source is the DISA flap seam and or the cyclone separator under intake manifold. If none found I would suspect the MAF. You'll need better test software to determine that.

Good luck!
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